Lighting fixture



m. 22, 11935. L. Q. DQANE 2,017,953

LIGHTING FIXTURE Filed May 12, 1932 INVENTOR Ze/gy C Doc/2a. H

ATTORNEY Patented Oct. 22, 1935 UNITED STATES PATENT OFFICE LIGHTINGFIXTURE of Connecticut Application May 12, 1932, Serial No. 610,801

1 Claim.

The present invention relates to lighting fixtures and is moreparticularly directed toward an indirect lighting fixture.

The present invention contemplates an indirect lighting fixture havingan annular shade, preferably made ofopaque material such as metal, andhaving a diffusing member in the center of the shade underneath thelight source.

According to the present invention, this difi'using member is arrangedto be removably supported by the shade and is made of glass ofcomparatively low optical density and, in order to avoid the appearanceof bright spot on account of this glass being close to the light source,the diffusing member is provided with an annular depending skirt whichshields the inner portions of the diffuser against observation at anglesnear the horizontal. This skirt may be supplemented by an additionalannular ring-like member inside the skirt. In order to ornament thefixture this glass member may be provided with with grooves, facets, andthe like, which break up the light rays.

Other and further objects will appear as the description proceeds.

The accompanying drawing shows, for purposes of illustrating the presentinvention, one of the many embodiments in which the invention may takeform, it being understood that the drawing is illustrative of theinvention rather than limiting the same. In the drawing:

Fig. 1 is a sectional view with parts in elevation showing an indirectlighting fixture; and

Fig. 2 is an inverted plan view of the same.

The fixture shown in the drawing is one vdesigned more particularly forsecurement to a pendant lamp socket already installed. The support forthe fixture is in the form of a socket extension lll adapted to bethreaded into the lamp socket and adapted to receive a lamp bulb H. Thesocket extension In is provided with the usual external insulating bandor covering l2. The insulating band I2 is surrounded by a supportingband 13, preferably in the form of a tubular sheet metal element havinga downwardly bent inner portion M which fits the insulating band verytightly. The tubular member I3 is forced on to the socket fromunderneath and the parts fit so tightly that the metal shell cannot beremoved. The lower end of the shell is provided with threeoutwardly-bent portions I5 adapted to receive the upper ends I6 of threewire supports l1. These ends are welded or soldered to the ring l3. Theyare made of resilient material such as steel or hard brass wire and arebent outwardly at the lower ends, as indicated at [8.

An annular dished shade I9 is supported from members 11. This shadecarries three sheet metal clips 20 having openings to receive the endsl8 of the wire members. The shade l9 may have any suitable ornamentalshape and is de- 5 signed to upwardly reflect light. The shade has anannular flange 2| at the lower edge adjacent the lamp bulb ll. 7

The central opening in the shade I9 is closed by a glass diffuser 22preferably made of glass of 10 low optical density, such as crystalglass acid dipped, and of such size as torest on the flange 2| of theshade l9. It is placed close to the lamp bulb and, in order to avoid thebright spot which would result from using a plain piece of diffusingglass, the disk 22 is, as shown in the drawing, provided with adepending skirt Z3 and a depending annular ring-like portion 24. Theseparts are comparatively deep and prevent direct observation of the bodyof the disk at angles near the horizontal without substantiallyinterfering with the transmission of light downwardly.

The surface brilliancy of the side walls of the depending skirt andring-like portion is considerably less than the surface brilliancy ofthe thin 25 part of the disk 22 and hence the fixture presents a morepleasing appearance with less glare. In order to break up the light raysand further ornament the glass, the same is provided with ribs or facetssuch as indicated at 25. The disk 22 is held in place in any convenientmanner, for example, bybending downwardly the lower ends 26 of the clips20.

When it is'desired to relamp the fixture the wire members I! are bentinwardly to release the shade and the shade and glass diffuser may belowered to give access to the lamp bulb.

It is obvious that the invention may be embodied in many forms andconstructions, and I wish it tobe understood that the particular form 40shown is but one of the many forms. Various modifications and changesbeing possible, I do not otherewise limit myself in any waywith respectthereto.

What is claimed is:

A semi-indirect lighting fixture comprising a pendant lamp bulb, anupwardly and outwardly flaring reflector below the lamp bulb and havinga central aperture underneath the bulb, a diffusing glass disk having anupper flange resting on the surface of the reflector adjacent theaperture and a diffusing annular skirt projecting below the reflector,and a second annular depending ringlike portion inside the skirt.

LEROY c. DOANE.

